Across
- 2. Steam
- 5. changes throughout the day
- 6. changes overtime
- 7. the height of something above sea level.
- 9. carbon dioxide is a type of this
- 10. the gases that surround Earth or another planet.
Down
- 1. near or relating to the North or South Pole.
- 3. similar to the tropics, the area near the equator.
- 4. having moderate temperatures, not extremely hot or cold
- 8. natural gas